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PFM restorations? We're talking about conventional porcelain and its propensity for
antagonistic wear. It's a problem to be sure, but until now the only solution -- low fusing
porcelain -- required some major compromises like potential cracking, potential greening,
potential greying, and fewer shade options. SoftSpar incisal porcelain (manufactured
by Jeneric Pentron) is tested and predictable, presents no greying problems, is easier
to polish and offers the full range of shade capabilities and esthetics you expect. With
a smaller leucite crystal size and homogeneous distribution it is significantly kinder to
opposing dentition than other conventional porcelains. At Lewis, we've teamed up this
porcelain with Jeneric's SynSpar body porcelain to give you the best in
porcelain/metal restorations.
IPS Eris
IPS Eris is Ivoclar's newly developed low-fusing layering material which we use on our IPS
Empress 2 and ZirKon substructures. The IPS Eris for E2 Dentin, Incisal, Impulse and
Transparent permit the fabrication of restorations that blend in with their natural
environment. The material enhances the optical properties such as translucency, brightness
and light scattering of the completed restoration. IPS Empress 2 and ZirKon restorations
can be seated using adhesive as well as conventional cementation techniques. IPS Eris for
E2 is available in both Chromascop and A-D shades.
Advantages
• Easy to process
• Reduced firing temperatures
• Homogenous – easy to grind and polish
• High stability
• True-to-nature opalescence
